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Weird permutations

Discrete Mathematics Level 3

Find the number of permutations \(f\) on \(\{1, 2, 3, \ldots, 32\}\) such that if \(m\) divides \(n\), then \(f(m)\) divides \(f(n)\).

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Excel in math and science

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by Khang Nguyen Thanh

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